import { HttpResponse, readSuccessResponseJsonOrThrow, readTalerErrorResponse } from "./http-common.js"; import { Codec, HttpStatusCode, TalerError, TalerErrorCode, TalerErrorDetail } from "./index.js"; export type OperationResult = | OperationOk | OperationAlternative | OperationFail; export function isOperationOk(c: OperationResult): c is OperationOk { return c.type === "ok" } export function isOperationFail(c: OperationResult): c is OperationFail { return c.type === "fail" } /** * succesful operation */ export interface OperationOk { type: "ok", body: T; } /** * unsuccesful operation, see details */ export interface OperationFail { type: "fail", case: T, detail: TalerErrorDetail, } /** * unsuccesful operation, see body */ export interface OperationAlternative { type: "fail", case: T, body: B, } export async function opSuccess(resp: HttpResponse, codec: Codec): Promise> { const body = await readSuccessResponseJsonOrThrow(resp, codec) return { type: "ok" as const, body } } export function opFixedSuccess(body: T): OperationOk { return { type: "ok" as const, body } } export function opEmptySuccess(): OperationOk { return { type: "ok" as const, body: void 0 } } export async function opKnownAlternativeFailure(resp: HttpResponse, s: T, codec: Codec): Promise> { const body = await readSuccessResponseJsonOrThrow(resp, codec) return { type: "fail", case: s, body } } export async function opKnownHttpFailure(s: T, resp: HttpResponse): Promise> { const detail = await readTalerErrorResponse(resp) return { type: "fail", case: s, detail } } export async function opKnownTalerFailure(s: T, resp: HttpResponse): Promise> { const detail = await readTalerErrorResponse(resp) return { type: "fail", case: s, detail } } export async function opKnownFailure(s: T, resp: HttpResponse): Promise> { const detail = await readTalerErrorResponse(resp) return { type: "fail", case: s, detail } } export function opUnknownFailure(resp: HttpResponse, text: string): never { throw TalerError.fromDetail( TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR, { requestUrl: resp.requestUrl, requestMethod: resp.requestMethod, httpStatusCode: resp.status, errorResponse: text, }, `Unexpected HTTP status ${resp.status} in response`, ); } export type ResultByMethod= TT[p] extends (...args: any[]) => infer Ret ? Ret extends Promise ? Result extends OperationResult ? Result : never : never : //api always use Promises never; //error cases just for functions export type FailCasesByMethod = Exclude, OperationOk>